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Bristol City Council Delays Detection of Cyber Attack on Schools System

Bristol City Council Delays Detection of Cyber Attack on Schools System

First seen 5 Oct 2026, 13:27 UTC • •
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ThreatCluster AI
ThreatCluster •October 5, 2026 at 14:26 UTC
  • •Bristol City Council identified a cyber attack affecting 87 schools after four days.
  • •No evidence of data theft has been confirmed, but malicious software was detected.
  • •The South West Regional Economic and Cyber Crime unit is investigating the incident.

Bristol City Council took four days to identify a cyber attack on its Trading with Schools platform, first noticing suspicious activity on September 21 and shutting it down on September 25. The attack has affected 87 schools, with council leader Tony Dyer confirming the presence of malicious software but no evidence of data theft. Experts warn that the delay in detection is concerning, as hackers could manipulate sensitive data and potentially blackmail individuals. The South West Regional Economic and Cyber Crime unit is investigating the incident, and schools are experiencing disruptions as they are being issued specialized devices to reconnect safely. The council acted quickly to limit the spread of the malicious software after understanding the threat. However, the four-day window for the malware's presence raises alarms about the effectiveness of their cybersecurity measures.

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Timeline

2026-09-21
Suspicious activity detected
Bristol City Council first noticed suspicious activity on the Trading with Schools platform.
BBC
2026-09-25
System shut down
The Trading with Schools service was shut down to prevent further spread of the malicious software.
BBC

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Common questions

What systems were affected?
The Trading with Schools platform used by Bristol City Council to manage school operations was affected.
Is there any evidence of data theft?
Currently, there is no evidence that data has been stolen according to council analysis.
What steps is the council taking now?
The council is disconnecting affected schools from the internet and issuing specialized devices to restore safe connectivity.